Simplifying Polynomial Expressions
In mathematics, simplifying polynomial expressions involves combining like terms and arranging them in a standard order. Let's simplify the expression: (-x^4 + 13x^5 + 6x^3) + (6x^3 + 5x^5 + 7x^4)
Step 1: Remove the parentheses.
Since we are adding the two polynomials, we can simply remove the parentheses:
-x^4 + 13x^5 + 6x^3 + 6x^3 + 5x^5 + 7x^4
Step 2: Combine like terms.
Identify terms with the same variable and exponent.
- x^5 terms: 13x^5 + 5x^5 = 18x^5
- x^4 terms: -x^4 + 7x^4 = 6x^4
- x^3 terms: 6x^3 + 6x^3 = 12x^3
Step 3: Arrange in standard form.
Write the terms in descending order of their exponents:
18x^5 + 6x^4 + 12x^3
Therefore, the simplified form of the expression (-x^4 + 13x^5 + 6x^3) + (6x^3 + 5x^5 + 7x^4) is 18x^5 + 6x^4 + 12x^3.